La Roche-sur-Yon compared with all land on Earth

The area around La Roche-sur-Yon scores 43 of 100 today: lower combined natural hazard than 43% of the land on Earth.

Ten pillars (0–100)

SSP5-8.5 2085 stress test

Under the SSP5-8.5 stress test for 2085, the combined score is 40 of 100.

This cell's combined hazard score is 43.1; its strongest pillar is air quality at 69.3 and its weakest is coast at 6.4. Flood. Flood pillar 57.9, safer than 34% of land cells and level with 49%; modelled hundred-year river flood depth 0 m. Source: WRI Aqueduct Floods (vintage: WRI Aqueduct Floods v2 (historical baseline, 100-year RP)); ERA5 (vintage: ERA5 reanalysis 1991-2020). Hurricane. Wind pillar 16.0, safer than 15% of land cells and level with 2%; tropical storm passes nearby 0.16 storms/decade. Source: IBTrACS (vintage: v04r01). Earthquake. Earthquake pillar 37.8, safer than 16% of land cells and level with 45%; large earthquakes nearby since the start of the century before last 0 events/century. Source: USGS ComCat (vintage: ComCat M≥6.5 1900–2025, M≥5 1973–2025); USGS Slab2 (vintage: Slab2, March 2018). Air quality. Air quality pillar 69.3, safer than 69% of land cells; fine-particle air pollution 8.4 µg/m³. Source: Washington University SatPM2.5 (vintage: 2020-2024 annual mean). Coast. Coast pillar 6.4, safer than 6% of land cells; five-hundred-year tsunami run-up on the nearest coast 0.50 m. Source: Global Tsunami Model (vintage: 2017, earthquake sources only). Coverage: Tornado records cover the United States only, so this area has no tornado reading: a gap in the record, not a measured zero. This is a statistical summary of public hazard data, a research estimate, not advice about any property or decision.

Terra scores ~10 km hexagonal cells from public global datasets — it is area analysis, not a property assessment. Tornado history covers the United States only; flood hazard is modeled at ~1 km and ignores local defenses; hurricane records before 1966 and wildfire records before 2001 are incomplete. Where data is missing or coarse for your area, Terra says so instead of guessing.

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